Android Time Compare javaToDosTime(long time)

Description

Converts input time from Java to DOS format

License

Apache License

Parameter

Parameter	Description
time	a parameter

Return

time in DOS format

Declaration

public static long javaToDosTime(long time) 

Method Source Code

//package com.java2s;
/*/* w w  w .ja va  2s .  co  m*/
 * Copyright 2010 Srikanth Reddy Lingala  
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, 
 * software distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */

import java.util.Calendar;

public class Main {
    /**
     * Converts input time from Java to DOS format
     * @param time
     * @return time in DOS format 
     */
    public static long javaToDosTime(long time) {

        Calendar cal = Calendar.getInstance();
        cal.setTimeInMillis(time);

        int year = cal.get(Calendar.YEAR);
        if (year < 1980) {
            return (1 << 21) | (1 << 16);
        }
        return (year - 1980) << 25 | (cal.get(Calendar.MONTH) + 1) << 21
                | cal.get(Calendar.DATE) << 16
                | cal.get(Calendar.HOUR_OF_DAY) << 11
                | cal.get(Calendar.MINUTE) << 5
                | cal.get(Calendar.SECOND) >> 1;
    }
}

Related

1. isSameDate(Time t1, Time t2)
2. isSameLocalTime(Calendar cal1, Calendar cal2)
3. isSameMonth(Time t1, Time t2)
4. isTimeAfter(String webTime, String localTime)
5. isOnRange(String fromTime, String toTime)
6. timeEnd(String tag, long threshold)